Seiko Cal. 7187 - 405

The Seiko 7187-405 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-667d35a6b350]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1989

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